#include <stdio.h>
int main (void) /*程序打印一年有多少周*/
{
    int s;
    s = 56;
    printf("There are %d weeks in a year.\n", s);
    printf("Baa Baa Black Sheep ");/*附加打印内容与原程序无关*/
    printf("Have you any wool \n");/*附加打印内容与原程序无关*/

    return 0;
}